<table border="0" width="600" align="center">
	<tr>
		<td align="center"><a href="#" onclick="loadCatManage()">Category Manage</a></td>
		<td align="center"><a href="#" onclick="loadProManage()">Product Manage</a></td>
		<td align="center"><a href="#" onclick="loadUnitManage()">Unit Manage</a></td>
	</tr>
</table>